import {z} from 'zod'

export type GetApiSsoGoogleLoginArgs = {access_token: string, contact_consent?: boolean | undefined, rewardful_referral?: string | undefined, remember_me?: boolean | undefined};

export type GetApiSsoGoogleLoginOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const appRoutersGoogleTokenResponse = z.object({token_type: z.string(), access_token: z.string(), email: z.string()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Google Login
 * 
 * GET /sso/google/login
 */
export const getApiSsoGoogleLogin = async (args: GetApiSsoGoogleLoginArgs, options: GetApiSsoGoogleLoginOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.access_token != null) query.append("access_token", String(args.access_token))
if (args.contact_consent != null) query.append("contact_consent", String(args.contact_consent))
if (args.rewardful_referral != null) query.append("rewardful_referral", String(args.rewardful_referral))
if (args.remember_me != null) query.append("remember_me", String(args.remember_me))

const url = `${baseUrl.replace(/\/+$/, '')}/sso/google/login${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(appRoutersGoogleTokenResponse, await res.json())
};